Venom Wiki
Igishushanyo cya Red widow
No. 0637 kuri 1 402

Red widow

Latrodectus bishopi
Ibyerekeye izina: The name bishopi honours Marshall B. Bishop, who collected the specimens used to describe the spider.1
Irababaza gusaIrababaza, ariko ntizakugirira nabi bikomeye.
Ibitagangurirwa IrarumaIrya: Inyama
Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

The red widow is a venomous spider that lives only in Florida, in the dry, sandy scrub where sand pine trees grow. It is a close relative of the black widow, but it rarely comes into contact with people, so it is not often met. Its bright red colours make it easy to recognise.1

Iba muri
Central and southern Florida, USA1
Amerika y'Amajyaruguru
Ahabanza
It lives mainly in sand-pine scrub, which is inland areas of dry sand dunes covered in sand pine trees. It builds most of its webs in palmetto bushes, at least 30 cm above the ground. It seldom comes into contact with humans.1
Uburebure
4 cm (1,6 in)3
ingano isanzwe y'ikuze
Umuvuduko wo hejuru
hafi 0,98 km/h (0,61 mph)
Ku butaka, ikigereranyo cy'ugereranyije
Irya iki?
It is a predator of the insect Hemisphaerota cyanea. It catches prey in its tangled webs, then retreats to a funnel-shaped hideaway below.1
Koko!Ifoto ya Red widow
Red widow. Ifoto: Stevenklioze00. CC BY-SA 4.0, Wikimedia Commons.

Uko wayimenya

  • The cephalothorax (the front part of the body) is red-orange.1
  • The abdomen is black, with yellow rings outlining rows of red spots.1
  • The legs are vermilion red.1
  • The underside does not have the familiar hourglass marking. It usually has one or two small red marks instead.1
  • Females are almost double the size of males.1

Ikunze kwitiranywa na: It is closely related to the black widow (Latrodectus mactans). The two can be told apart by features of the male and female genitalia, which are examined under magnification. The red widow's male embolus has one fewer loop, and the female's connecting ducts to the spermatheca also have one fewer loop.1

Imbaraga z'ubumara

Iraruma

Ubumara busohokera mu menyo yayo y'ubumara cyangwa mu yandi menyo iyo iriye.

Ubumara bwayo bukora iki?

The red widow is venomous like other members of the genus Latrodectus. In a documented bite, the main effect was a mildly painful throbbing sensation that lasted several hours. The median lethal dose (LD50) of its venom in mice is 2.20 mg/kg, and each spider contains about 0.157 mg of venom.1

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

No bites from this spider are recorded in the medical literature. It seldom comes into contact with humans, unlike the black and brown widows, which live close to people. One documented bite caused a mildly painful throbbing that lasted several hours.1

Niba iruma

  • Oza aho yarumye kandi uhashyire agapaki k'urubura kubera ububabare. Shaka ubufasha bwa muganga niba ububabare bukabije, bukwirakwira cyangwa umuntu yumva atameze neza.

Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze

Irinde akaga

  • Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
  • Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
  • Niba imwe ikurumye: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.

Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda

Ingana gute?

Ireshya ite?

Red widow ireshya hafi 4 cm (1,6 in)Trombone yo gufata impapuro hafi 3 cm (1,2 in)Telefoni igezweho hafi 15 cm (5,9 in)
ireshya hafi na trombone yo gufata impapuro

Red widow ingana ite ugereranyije NAWE?

Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihuta gute?

bikwiye kumenywa

Ibintu by'ukuri

1

A bite was filmed and documented in 2023 by biologist Spencer Hoffman, one of the few recorded bites from this species.1

2

Females are almost double the size of males.1

3

Its predators are thought to include sphecid wasps and the Florida scrub jay.1

4

It lives in sand-pine scrub, a habitat found only in Florida and coastal Alabama.1

Usenya ibinyoma

Ikinyoma: All widow spiders have the hourglass marking on the underside.

Ukuri: The red widow does not have the familiar hourglass marking. It usually has one or two small red marks instead.1

Ku bahanga mu by'ubumara

Izina rya siyansi
Latrodectus bishopi
Itsinda
Ibitagangurirwa
Umuryango
Theridiidae2
Itsinda rinini (order)
Araneae
Imigabane
Amerika y'Amajyaruguru
Abana bato
The spider stores its egg sacs in its funnel-shaped retreat.1
Uko imeze mu gasozi
Threatened (in the United States)1
Akaga ku bantu
2 / 5: Irababaza3

Aho ibintu bivugwa bituruka

  1. Latrodectus bishopi (Wikipedia (CC BY-SA 4.0))
  2. Latrodectus bishopi (iNaturalist): amazina n'ibyiciro.
  3. Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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